 It may be that they died from the effects of the exploration weather.One such extensive exploration in which the John and Edward Tilley are named as having taken part began on Wednesday, 6 December 1620 in freezing weather using the ship's shallop – a light, shallow-water boat with oars and sails navigated by two pilots and crewed by a master gunner and two sailors.The Pilgrims on board for this expedition, in addition to the Tilleys, were John Howland, Stephen Hopkins and his servant Edward Doty.